R1(config-if)#encapsulation ppp

1 2 3 4

R1(config-if)#ip address 192.168.2.1 255.255.255.0

R1(config-if)#no shutd

R1(config-if)#exit

R1(config)#ip route 192.168.3.0 255.255.255.0 192.168.2.2

----------------------------------------------------------------------------------

R1(config)#enable password asdfg

R1(config)#hostname router_1

router_1(config)#int s1/0

router_1(config-if)#ppp authentication chap

router_1(config-if)#exit

router_1(config)#username router_2 password asdfg

-------------------------------------------------------------------------------------

§®§С§в§к§в§е§д§Ъ§Щ§С§д§а§в R2

Press RETURN to get started!

R2>

R2>ena

R2#config t

R2(config)#int f0/0

R2(config-if)#ip address 192.168.3.1 255.255.255.0

R2(config-if)#no shutd

R2(config-if)#int f0/0

R1(config-if)#int s1/0

R2(config-if)#encapsulation ppp

R2(config-if)#ip address 192.168.2.2 255.255.255.0

R2(config-if)#no shutd

R2(config-if)#exit

R2(config)#ip route 192.168.1.0 255.255.255.0 192.168.2.1

-----------------------------------------------------------------------------------------

R2(config)#hostname router_2

router_2(config)#enable secret asdfg

router_2(config)#username router_1 password asdfg

router_2(config)#int s1/0

router_2(config-if)#ppp authentication chap

§±§а§г§Э§Ц §У§У§а§Х§С §Ь§а§Я§ж§Ъ§Ф§е§в§С§и§Ъ§Ъ §а§д§Ь§Э§р§й§Ъ§д§Ц §Ъ §У§Ь§Э§р§й§Ъ§д§Ц §Э§р§Т§а§Ы §Ъ§Щ §б§а§г§Э§Ц§Х§а§У§С§д§Ц§Э§о§Я§н§з §Ъ§Я§д§Ц§в§ж§Ц§Ы§г§а§У §Х§Э§с §д§а§Ф§а §й§д§а§Т§н §б§а§г§Ю§а§д§в§Ц§д§о §б§в§а§и§Ц§Х§е§в§е §е§г§д§С§Я§а§У§Э§Ц§Я§Ъ§с §г§а§Ц§Х§Ъ§Я§Ц§Я§Ъ§с §г §е§й§Ц§д§а§Ю §С§е§д§Ц§Я§д§Ъ§ж§Ъ§Ь§С§и§Ъ§Ъ. §Ґ§Э§с §б§в§а§г§Ю§а§д§в§С §б§в§а§и§Ц§Х§е§в§н §е§г§д§С§Я§а§У§Э§Ц§Я§Ъ§с §г§а§Ц§Х§Ъ§Я§Ц§Я§Ъ§с §а§Т§Я§а§У§Ъ§д§Ц §г§б§Ъ§г§а§Ь §б§Ц§в§Ц§з§У§С§й§Ц§Я§Я§н§з §б§С§Ь§Ц§д§а§У §У Wireshark. §Ї§Ъ§Ш§Ц §б§а§Ь§С§Щ§С§Я §б§Ц§в§Ц§й§Ц§Я§о §г§а§а§Т§л§Ц§Я§Ъ§Ы, §Ь§а§д§а§в§н§Ц §Я§Ц§а§Т§з§а§Х§Ъ§Ю§а §б§Ц§в§Ц§з§У§С§д§Ъ§д§о

§Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в	§і§а§а§Т§л§Ц§Я§Ъ§Ц	§Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в	§Ї§С§б§в§С§У§Э§Ц§Я§Ъ§Ц §б§Ц§в§Ц§Х§С§й§Ъ §б§С§Ь§Ц§д§С
Router_1	1) PPP LCP Configuration Request 2) PPP LCP Configuration Ack 3) PPP LCP Configuration Request 4) PPP LCP Configuration Ack 5) PPP CHAP Challenge (NAME='router_2', VALUE=0x31c2e2f7e8795787c8b55eee5e619bed) 6) PPP CHAP Response (NAME='router_2', VALUE=0x608ffbf914c5994f126116d099840) 7) PPP CHAP Challenge (NAME='router_1', VALUE=0x006dd0d171b4dcd44af7ce2b7441) 8) PPP CHAP Response (NAME='router_1', VALUE=0xa50de75394abed934d4f6ffaa9c4c) 9) PPP CHAP Success (MESSAGE='') 10) PPP CHAP Success (MESSAGE='') 11) PPP IPCP Configuration Request 12) PPP IPCP Configuration Ack 13) PPP IPCP Configuration Request 14) PPP IPCP Configuration Ack	Router_2	1. ----------> 2. <----------- 3. <---------- 4. -----------> 5. ----------> 6. <----------- 7. ----------> 8. <----------- 9. ----------> 10. <----------- 11. ----------> 12. <----------- 13. ----------> 14. <-----------

6. §Ў§е§д§Ц§Я§д§Ъ§ж§Ъ§Ь§С§и§Ъ§с §б§а §б§в§а§д§а§Ь§а§Э§е PAP (password authentication protocol)

§і §б§а§Ю§а§л§о §Ь§а§Ю§С§Я§Х§н username [§Ъ§Ю§с] password [§б§С§в§а§Э§о] §Щ§С§Х§С§Ы§д§Ц §б§С§в§С§Ю§Ц§д§в§н §е§Х§С§Э§Ц§Я§Я§а§Ф§а §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в§С. [§Ъ§Ю§с] -§п§д§а §Ъ§Ю§с §Х§а§Э§Ш§Ц§Я §б§а§г§н§Э§С§д§о §е§Х§С§Э§Ц§Я§Я§н§Ы §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в, §У §Ь§С§й§Ц§г§д§У§Ц [§б§С§в§а§Э§о] §Я§Ц§а§Т§з§а§Х§Ъ§Ю§а §Ъ§г§б§а§Э§о§Щ§а§У§С§д§о §б§С§в§а§Э§о, §Ь§а§д§а§в§н§Ы §Т§е§Х§Ц§д §б§в§Ъ§г§н§Э§С§д§о §е§Х§С§Э§Ц§Я§Я§н§Ы §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в. §Ј§Ь§Э§р§й§Ц§Я§Ъ§Ц §С§е§д§Ц§Я§д§Ъ§ж§Ъ§Ь§С§и§Ъ§Ъ §ІAP §б§в§а§Ъ§г§з§а§Х§Ъ§д §б§а§г§Э§Ц §У§У§а§Х§С §Ь§а§Ю§С§Я§Х§н ppp authentication pap §Я§С §Ь§С§Ш§Х§а§Ю §Ъ§Я§д§Ц§в§ж§Ц§Ы§г§Ц. §Ј §в§Ц§Ш§Ъ§Ю§Ц §Ь§а§Я§ж§Ъ§Ф§е§в§С§и§Ъ§Ъ §Ъ§Я§д§Ц§в§ж§Ц§Ы§г§С §Я§Ц§а§Т§з§а§Х§Ъ§Ю§а §У§У§Ц§г§д§Ъ §Ь§а§Ю§С§Я§Х§е ppp pap sent-username [§Ъ§Ю§с] password [§б§С§в§а§Э§о]. §±§в§Ъ§Ю§Ц§в §Я§С§г§д§в§а§Ы§Ь§Ъ §Ь§С§Ш§Х§а§Ф§а §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в§С §б§а§Ь§С§Щ§С§Я§н §Я§Ъ§Ш§Ц:

§®§С§в§к§в§е§д§Ъ§Щ§С§д§а§в R1

Press RETURN to get started!

R1>

R1>ena

R1#config t

R1(config)#int f0/0

R1(config-if)#ip address 192.168.1.1 255.255.255.0

R1(config-if)#no shutd

R1(config-if)#int f0/0

R1(config-if)#int s1/0

R1(config-if)#encapsulation ppp

R1(config-if)#ip address 192.168.2.1 255.255.255.0

R1(config-if)#no shutd

R1(config-if)#exit

R1(config)#ip route 192.168.3.0 255.255.255.0 192.168.2.2

----------------------------------------------------------------------------------

R1(config)# username switch password asdfg

R1 (config)#int s1/0

R1 (config-if)#ppp authentication pap

R1 (config-if)#ppp pap sent-username router_1 password qwerty

-------------------------------------------------------------------------------------

§®§С§в§к§в§е§д§Ъ§Щ§С§д§а§в R2

Press RETURN to get started!

R2>

R2>ena

R2#config t

R2(config)#int f0/0

R2(config-if)#ip address 192.168.3.1 255.255.255.0

R2(config-if)#no shutd

R2(config-if)#int f0/0

R1(config-if)#int s1/0

R2(config-if)#encapsulation ppp

R2(config-if)#ip address 192.168.2.2 255.255.255.0

R2(config-if)#no shutd

R2(config-if)#exit

R2(config)#ip route 192.168.1.0 255.255.255.0 192.168.2.1

----------------------------------------------------------------------------------

R2(config)# username router_1 password qwerty

R2 (config)#int s1/0

R2 (config-if)#ppp authentication pap

R2 (config-if)#ppp pap sent-username switch password asdfg

-------------------------------------------------------------------------------------------

7. §є§Ъ§ж§в§а§У§С§Я§Ъ§Ц §б§а §б§в§а§д§а§Ь§а§Э§е MPPE

§Ґ§Э§с §Я§С§г§д§в§а§Ы§Ь§Ъ §к§Ъ§ж§в§а§У§С§Я§Ъ§с §Я§Ц§а§Т§з§а§Х§Ъ§Ю§а §г§Ь§а§Я§ж§Ъ§Ф§е§в§Ъ§в§а§У§С§д§о §б§в§а§д§а§Ь§а§Э §С§е§д§Ц§Я§д§Ъ§ж§Ъ§Ь§С§и§Ъ§Ъ MS-CHAP, §д§С§Ь §Ь§С§Ь MPPE §Ъ§г§б§а§Э§о§Щ§е§Ц§д §Ь§Э§р§й§Ъ, §Ф§Ц§Я§Ц§в§Ъ§в§е§Ц§Ю§н§Ц §п§д§Ъ§Ю §б§в§а§д§а§Ь§а§Э§а§Ю, §Я§С§г§д§в§а§Ы§Ь§С §Ь§а§д§а§в§а§Ф§а §С§Я§С§Э§а§Ф§Ъ§й§Я§С §Я§С§г§д§в§а§Ы§Ь§Ц §б§в§а§д§а§Ь§а§Э§С CHAP. §µ§Ь§С§Ш§Ъ§д§Ц §Я§С§Щ§У§С§Я§Ъ§Ц §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в§С §г §б§а§Ю§а§л§о§р §Ь§а§Ю§С§Я§Х§н hostname [§Ъ§Ю§с_§е§г§д§в§а§Ы§г§д§У§С] §У §в§Ц§Ш§Ъ§Ю§Ц §Ф§Э§а§Т§С§Э§о§Я§а§Ы §Ь§а§Я§ж§Ъ§Ф§е§в§С§и§Ъ§Ъ §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в§С. §©§С§Х§С§Ы§д§Ц §б§С§в§а§Э§о §Х§Э§с §У§з§а§Х§С §У §б§а§Э§о§Щ§а§У§С§д§Ц§Э§о§г§Ь§Ъ§Ы §в§Ц§Ш§Ъ§Ю §г §б§а§Ю§а§л§о§р §Ь§а§Ю§С§Я§Х§н enable password [§б§С§в§а§Э§о] §Ъ§Э§Ъ enable secret [§б§С§в§а§Э§о]. §±§Ц§в§У§С§с §Ь§а§Ю§С§Я§Х§С §г§а§з§в§С§Я§с§Ц§д §б§С§в§а§Э§о §У §ж§С§Ы§Э§Ц §Ь§а§Я§ж§Ъ§Ф§е§в§С§и§Ъ§Ъ §У §а§д§Ь§в§н§д§а§Ю §У§Ъ§Х§Ц, §У§д§а§в§С§с §У §Щ§С§к§Ъ§ж§в§а§У§С§Я§Я§а§Ю. §і §б§а§Ю§а§л§о §Ь§а§Ю§С§Я§Х§н username [§Ъ§Ю§с] password [§б§С§в§а§Э§о] §Щ§С§Х§С§Ы§д§Ц §б§С§в§С§Ю§Ц§д§в§н §е§Х§С§Э§Ц§Я§Я§а§Ф§а §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в§С. §Ј §Ь§С§й§Ц§г§д§У§Ц [§Ъ§Ю§с] -§Я§Ц§а§Т§з§а§Х§Ъ§Ю§а §Ъ§г§б§а§Э§о§Щ§а§У§С§д§о §Ъ§Ю§с §е§Х§С§Э§Ц§Я§Я§а§Ф§а §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в§С §Щ§С§Х§С§Я§Я§а§Ф§а §г §б§а§Ю§а§л§о§р username, §У §Ь§С§й§Ц§г§д§У§Ц [§б§С§в§а§Э§о] §Я§Ц§а§Т§з§а§Х§Ъ§Ю§а §Ъ§г§б§а§Э§о§Щ§а§У§С§д§о §б§С§в§а§Э§о §Х§Э§с §У§з§а§Х§С §У §б§в§Ъ§У§Ъ§Э§Ц§Ф§Ъ§в§а§У§С§Я§Я§н§Ы §в§Ц§Ш§Ъ§Ю §е§Х§С§Э§Ц§Я§Я§а§Ф§а §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в§С. §Ј§Ь§Э§р§й§Ц§Я§Ъ§Ц §С§е§д§Ц§Я§д§Ъ§ж§Ъ§Ь§С§и§Ъ§Ъ MS-CHAP §б§в§а§Ъ§г§з§а§Х§Ъ§д §б§а§г§Э§Ц §У§У§а§Х§С §Ь§а§Ю§С§Я§Х§н ppp authentication ms-chap §Я§С §а§Х§Я§а§Ю §Ъ§Щ §Ъ§Я§д§Ц§в§ж§Ц§Ы§г§а§У. §Ї§С §Х§в§е§Ф§а§Ю §Ъ§Я§д§Ц§в§ж§Ц§Ы§г§Ц §Я§Ц§а§Т§з§а§Х§Ъ§Ю§а §У§У§Ц§г§д§Ъ §Ь§а§Ю§С§Я§Х§е ppp chap password [§б§С§в§а§Э§о]. §©§С§б§е§г§Ь §г§в§Ц§Х§г§д§У §к§Ъ§ж§в§а§У§С§Я§Ъ§с §б§в§а§Ъ§г§з§а§Х§Ъ§д §б§е§д§Ц§Ю §У§У§а§Х§С §Ь§а§Ю§С§Я§Х§н ppp encrypt mppe [§в§С§Щ§в§с§Х§Я§а§г§д§о §Ь§Э§р§й§С] required §г §а§Х§Я§а§Ы §Ъ §г §Х§в§е§Ф§а§Ы §г§д§а§в§а§Я§н. §Ј §Х§С§Я§Я§а§Ю §б§в§Ъ§Ю§Ц§в§Ц §Ъ§г§б§а§Э§о§Щ§е§Ц§д§г§с §Ь§Э§р§й §в§С§Щ§в§с§Х§Я§а§г§д§о§р §У 56 §Т§Ъ§д. §±§в§Ъ§Ю§Ц§в §Я§С§г§д§в§а§Ы§Ь§Ъ §Ь§С§Ш§Х§а§Ф§а §Ю§С§в§к§в§е§д§Ъ§Щ§С§д§а§в§С §б§а§Ь§С§Щ§С§Я§н §Я§Ъ§Ш§Ц: